One signature for creating unit tests that run on premade GrContexts

tests/ClipBoundsTest.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Test.h"
 // This is a GR test
 #if SK_SUPPORT_GPU
 #include "GrClipMaskManager.h"
 #include "GrContext.h"
 
 // Ensure that the 'getConservativeBounds' calls are returning bounds clamped
 // to the render target
-DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrClipBounds, reporter, context) {
+DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrClipBounds, reporter, ctxInfo) {
     static const int kXSize = 100;
     static const int kYSize = 100;
 
     GrSurfaceDesc desc;
     desc.fFlags     = kRenderTarget_GrSurfaceFlag;
     desc.fConfig    = kAlpha_8_GrPixelConfig;
     desc.fWidth     = kXSize;
     desc.fHeight    = kYSize;
 
     SkAutoTUnref<GrTexture> texture(
-        context->textureProvider()->createTexture(desc, SkBudgeted::kYes, nullptr, 0));
+        ctxInfo.fGrContext->textureProvider()->createTexture(desc, SkBudgeted::kYes, nullptr, 0));
     if (!texture) {
         return;
     }
 
     SkIRect intScreen = SkIRect::MakeWH(kXSize, kYSize);
     SkRect screen = SkRect::Make(intScreen);
 
     SkRect clipRect(screen);
     clipRect.outset(10, 10);
 
@@ skipping 21 matching lines @@
     clipData.getConservativeBounds(texture->width(), texture->height(),
                                    &devGrClipBound,
                                    &isIntersectionOfRects);
 
     // make sure that GrClip is behaving itself
     REPORTER_ASSERT(reporter, intScreen == devGrClipBound);
     REPORTER_ASSERT(reporter, isIntersectionOfRects);
 }
 
 #endif